Datasheet > MLX90285_14

MLX90285_14

更新时间： 2022-02-26 10:52:53

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
13页	924K
描述
24V Low Noise Two-Coil Fan Driver

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MLX90285_14 数据手册

MLX90285

24V Low Noise Two-Coil Fan Driver

Features and Benefits

Applications



1-chip solution (Hall element + Output Drivers)

Soft Switching for low noise



24V Two-Coil motors

Two-Stage Thermal Protection

Locked Rotor Protection and auto-restart

FG and RD available in 4-pin VK (“No-V_DD” design)

Pin-to-pin compatible with US90A & US91A

Ordering Code

Product Code

MLX90285

Temperature Code

Package Code

Option Code

ABA-000

AAA-000

ABA-000

Packing Form Code

MLX90285

AAA-000

Legend:

Temperature Code:

Package Code:

L for Temperature Range -40°C to 150°C

VK for Plastic Single in Line ,

DC for SOIC8 (AECQ100 compliant)

AAA-000 for Frequency Generation (FG),

ABA-000 for Rotation Detection (RD)

BU for Bulk, RE for Reel (live bug)

Option Code:

Packing Form:

Ordering example:

MLX90285LVK-ABA-000-BU

1 Functional Diagram

2 General Description

The MLX90285 is a one-chip solution for driving two-coil

brushless DC cooling fans.

The device features Soft Switching to lower acoustic and electrical

fan noise. This efficient solution is enhanced with an intelligent

Active Slope Control which automatically adjusts the slope

duration depending on the fan rotation speed. Thus, the fan

performance to noise ratio is always kept optimum without the

need of tuning via external component.

The device includes a novel Two-Stage Thermal Protection as well

as Locked Rotor Protection for demanding application

safety requirements.

Frequency Generator or Rotation Detection is available. The

open-drain output makes the connectivity with any external

interface for hardware monitoring easier.

These features are combined with the Melexis patented no- V_DD

design to fit the IC in small 4-pin VK package.

The device is also delivered in DC package for automatic

assembly.

3901090285

Rev. 005

Page 1 of 14

DataSheet

Aug/14

12 3 4 5 6 7...13

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